/*
*
* Copyright (c) 2013 Sunag Entertainment
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/

package sunag.utils
{
	import flash.display.Stage;
	import flash.events.KeyboardEvent;

	public class Input
	{
		public var keyState:Object = {};
		
		private var _stage:Stage;					
		
		public function Input(stage:Stage)
		{
			_stage = stage;
			
			_stage.addEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
			_stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
		}
		
		public function dispose():void
		{
			_stage.removeEventListener(KeyboardEvent.KEY_DOWN, onKeyDown);
			_stage.removeEventListener(KeyboardEvent.KEY_UP, onKeyUp);
		}
		
		public function get state():Stage
		{
			return _stage;
		}
		
		private function onKeyDown(e:KeyboardEvent):void
		{
			keyState[e.keyCode] = true;
		}
		
		private function onKeyUp(e:KeyboardEvent):void
		{
			keyState[e.keyCode] = false;
		}
		
		public function isKeyDown(keyCode:int):Boolean
		{						
			return keyState[keyCode];
		}
	}
}